cfi_endian.h
上传用户:jlfgdled
上传日期:2013-04-10
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文件大小:1k
- /*
- * $Id: cfi_endian.h,v 1.10 2001/06/18 11:00:46 abz Exp $
- *
- */
- #include <asm/byteorder.h>
- #ifndef CONFIG_MTD_CFI_ADV_OPTIONS
- #define CFI_HOST_ENDIAN
- #else
- #ifdef CONFIG_MTD_CFI_NOSWAP
- #define CFI_HOST_ENDIAN
- #endif
- #ifdef CONFIG_MTD_CFI_LE_BYTE_SWAP
- #define CFI_LITTLE_ENDIAN
- #endif
- #ifdef CONFIG_MTD_CFI_BE_BYTE_SWAP
- #define CFI_BIG_ENDIAN
- #endif
- #endif
- #if defined(CFI_LITTLE_ENDIAN)
- #define cpu_to_cfi8(x) (x)
- #define cfi8_to_cpu(x) (x)
- #define cpu_to_cfi16(x) cpu_to_le16(x)
- #define cpu_to_cfi32(x) cpu_to_le32(x)
- #define cfi16_to_cpu(x) le16_to_cpu(x)
- #define cfi32_to_cpu(x) le32_to_cpu(x)
- #elif defined (CFI_BIG_ENDIAN)
- #define cpu_to_cfi8(x) (x)
- #define cfi8_to_cpu(x) (x)
- #define cpu_to_cfi16(x) cpu_to_be16(x)
- #define cpu_to_cfi32(x) cpu_to_be32(x)
- #define cfi16_to_cpu(x) be16_to_cpu(x)
- #define cfi32_to_cpu(x) be32_to_cpu(x)
- #elif defined (CFI_HOST_ENDIAN)
- #define cpu_to_cfi8(x) (x)
- #define cfi8_to_cpu(x) (x)
- #define cpu_to_cfi16(x) (x)
- #define cpu_to_cfi32(x) (x)
- #define cfi16_to_cpu(x) (x)
- #define cfi32_to_cpu(x) (x)
- #else
- #error No CFI endianness defined
- #endif